# DissenyDeés — professional patent drawings > Barcelona-based technical studio active since 2005, specialized in drawings for patents, utility models and industrial designs. It works with inventors, patent professionals and IP firms, preparing documentation for OEPM, USPTO and PCT requirements. Key facts: €49 VAT included per DIN-A4 figure; typical delivery in 3–4 business days; one correction round included; changes requested by the patent office are handled without additional charge under the conditions published on the website. Source material may include CAD files, photographs, videos, sketches or existing drawings. ## Main pages - [Home](https://www.dissenydees.com/en/): services, workflow, accepted source material, pricing, delivery times, security and FAQs. - [Portfolio](https://www.dissenydees.com/en/portfolio.html): examples of technical patent drawings and completed work. - [Request a quote](https://www.dissenydees.com/en/quote-request.html): project enquiry and quotation form. - [Blog](https://www.dissenydees.com/en/blog.html): 20 articles about patents, technical drawing, documentation, AI, prototyping and industrial property. - [Privacy policy](https://www.dissenydees.com/en/privacy.html): legal and data-protection information. ## Extended information - [Full AI context](https://www.dissenydees.com/en/llms-full.txt): detailed services, materials, pricing, standards, confidentiality, Viewer portal and contact information. ## Languages - [Español](https://www.dissenydees.com/llms.txt) - [Italiano](https://www.dissenydees.com/it/llms.txt) - [Français](https://www.dissenydees.com/fr/llms.txt) - [Deutsch](https://www.dissenydees.com/de/llms.txt)